In this case, you can change the credit card password through your mobile phone, provided that you have installed the corresponding bank's mobile application and logged in to your personal account.

The steps are as follows:

1. Download and install the mobile application of the bank to which the credit card belongs, such as Bank of China, Industrial and Commercial Bank of China, Agricultural Bank of China, etc.

2. Find and log in to the credit card account in the mobile application.

3. On the account page, find and select the "Security Center" or "Settings" option.

4. In the new page, select the "Change Password" or "Reset Password" option.

5. Follow the prompts, enter the original password, and then enter the new password you want to set.

6. After confirming the new password, click "Submit" or "Save".